Acer Nitro KG271U - 27" Monitor FullHD 2560x1440 VA 170Hz 1ms VRB 250Nit HDMI. HDMI connectivity ensures compatibility with modern gaming systems. KG271U Pbiip. From service-oriented technologies to the Internet of Things to gaming and virtual reality, Acer’s 7,000+ employees are dedicated to the research, design, marketing, sale, and support of products and solutions that break barriers between people and technology.